47618 Suzuki RM125R

4-8 MACHINĘ TUNING

4-8 MACHINĘ TUNING

Lean

Rich

Ex. Pilot jet #42.5    ,

/ ,^w

If air/fuel mixture is rich, repfabe it with #40 pilot jet. If air/fuel mixture is’lean, replace it with #45 slow jet.

Ex. Main jet #460

If air/fuel mixture is rich, replace it with #450 main jet. If air/fuel mixture is lean, replace it with #470 main jet.

(3) Adjustment of intermediate system

intermediate system by changing the needle clip position or cąble hdlderr {(ZT4-A)

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/ ‘ ’■*

Jet needle

Air/fuel

mixture

SIZE	P/NO
6CHY17-64	13383-36FM0
6CHY16-64	13383-36FL0
6CHY17-63	13383-36FP0
6CHY16-63	13383-36FN0
6CHY17-62	13383-36FR0
6CHY16-62	13383-36FQ0
6CHY17-61	13381-36F00
6CHY16-61	13383-36FS0
6CHY17-60	13381-36 F20
6CHY16-60	13381-36F10

NOTĘ:

SHADED: STANDARD

*:    INCLUDED AL TERNA TE PARTS

NONĘ:    OPTIONAL PARTS

© Adjustment of pilot system

1)    Set the air screw as specified.    f "

2)    See if the selected pilot jet is correct or not by \ judging the air/fuel mixture. If air/fuel mixtureiS\} rich, replace it with smaller one. If'air/fuel mix* \ turę is lean, replace it witf> fąrgdr- one©> \ \.^

(2) Adjustment of main system With the throttle opened 3/4 to fuli, make main system adjustment monitoring the air/fuel mixture con-dition after completion of pilot system settings.

* Make surę to adjust the main system before adjusting the intermediate system.

i i

Fine adjustment of slow system K After a proper setting has been obtained by the pro-\bedure © through ®, fine tune the carburetor /according to the actual race conditions.

1) Adjust the air/fuel mixture by turning the air screw within 1/2-2 turns out.

1/2 tum out	i
3/4 tum out
1 tum out
1-1/4 turns out
1 - 1/2 turns out STD
1 - 3/4 turns out
2 turns out i

2) If the mixture can not be adjusted by the air screw within 1/2-2 turns out rangę., readjust the slow system ©.

(5) Fine adjustment of intermediate system

Fine tune the intermediate system by changing the needle type and clip position.